Reliable Chinese High-Quality Alternatives for DH80 Excavator Systems
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| Specification Item | Detail Information |
|---|---|
| Model NO. | DH80 / 7861-92-4800 (7861924800) |
| Application | Excavator Engine and Hydraulic System |
| Certification | ISO9001 / CE Certified |
| Condition | 100% Brand New High-Quality Alternative |
| Product Name | Sub Valve / Float Switch Assembly |
| Transport Package | Standard Neutral Carton or Customized Packing |
| Origin | China Manufacturer - Honour Time Machinery Limited |
| Production Capacity | 5000 PCS / Year |
| Payment Terms | T/T, Western Union, MoneyGram |
| Delivery Methods | DHL, Fedex, EMS, UPS, Air Freight, Sea Freight |
Designed specifically for DH80 model excavators to ensure seamless installation.
Eliminates hydraulic system instability and provides accurate liquid level monitoring.
Engineered for heavy-duty construction machinery environments.
Cost-effective high-durability replacement for original parts 7861-92-4800.
Tested against extreme pressure and temperature variations.
Honour Time Machinery Limited is your one-stop supplier for Cummins Engine Parts, Komatsu Aftermarket Parts, Caterpillar Overhaul Kits, Isuzu Diesel Engine Parts, and more.
| Category | Available Parts |
|---|---|
| Core Engine Components | Liner Kit, Piston, Piston Ring, Cylinder Block, Cylinder Head, Crankshaft |
| Gasket & Sealing | Gasket Kit, Gasket Head, Engine Bearing, Main Bearing, Con Rod Bearing |
| Fuel & Injection | Nozzle, Fuel Pump, Injector, Valve Guide, Valve Seat |
| Cooling & Electrical | Radiator, Fan Cooling, Water Pump, Oil Pump, Accelerator Motor, Monitor, Pressure Switch, Flameout Solenoid |
| System Control | Main Valve, Sub Valve (DH80), Transmitter, Belt, Turbocharger |
| Brand | Engine Models Covered |
|---|---|
| Komatsu | 3D82, 3D84, 4D105, 6D95, 6D108, 6D110, 4D84, 4D95, 6D102, 6D105, 6D114, 6D170 |
| KOBELCO / Mitsubishi | J05E, 6D34T, 6D16, J08E, 6D22T, 6D24T, 6D16T, 6D34, 4D34, 4D24, K4M, S3Q2, S4KT, 6D40 |
| CATERPILLAR | 3114, 3116, C4, C6, 3064T, S6K, C7, C-9, C13 |
| ISUZU | 3LD1, 4LE1, 4BG1, 4HK1, 6SD1, 6WG1, 4LE2, 4JB1, 6BG1, 6HK1, 6WF1 |
| Yanmar / HINO | 4D88E, 4TNE84, 4TNV88, 4TNV94L, 4TNE88, 4TNE94, 4TNV98, 4TNV106, J05E, J08E, V25C, EF750, P11C |
| CUMMINS / VOLVO | QSB6.7, QSM11-C, B5.9-C, B3.9-C, QSM11, C8.3-C, D6D, D6E, D9E, D12D, D7D, D7E, D12E, D16D |
Cummins QSB6.7 Turbocharger: Boosts air intake; used in Cummins QSB6.7 industrial engines.
Komatsu PC200-8 Main Valve: Controls hydraulic flow; located in the hydraulic pump assembly.
Caterpillar 320D Injector: Delivers fuel to the cylinder; vital for CAT C6.4 engines.
Isuzu 4HK1 Water Pump: Circulates coolant; prevents engine overheating in Hitachi excavators.
Kubota V2403 Gasket Kit: Provides complete sealing; used for Kubota mini-excavator overhauls.
Yanmar 4TNV98 Piston: Converts combustion energy; essential for Yanmar diesel engines.
Weichai WD615 Crankshaft: Converts linear motion to rotation; found in heavy truck engines.
Komatsu D155 Cylinder Head: Houses valves and injectors; installed on top of the cylinder block.
Caterpillar C9 Fuel Pump: Supplies high-pressure fuel; crucial for CAT C9 power units.
Isuzu 6WG1 Oil Pump: Lubricates engine moving parts; used in Sany heavy excavators.
Device Model: Komatsu PC300-7
Issue: Dashboard displays low coolant or hydraulic oil level alarm despite the tanks being full.
Diagnosis: The 7861-92-4800 Float Switch (Float Switch) has developed a short circuit or the internal buoy is stuck due to sediment.
Solution: Replace the faulty sensor with a new 7861924800 unit. Clean the connector pins and ensure the wiring harness is intact. Regular maintenance includes checking sensor responsiveness every 2000 hours of operation.
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About Us: Honour Time Machinery Limited is a professional manufacturer and exporter specializing in premium engine components. We provide high-quality liners, pistons, crankshafts, and overhaul kits for global brands like Cummins, Komatsu, and Caterpillar, ensuring peak performance for your heavy machinery.
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